2159429 has 8 divisors (see below), whose sum is σ = 2284800. Its totient is φ = 2037600.

The previous prime is 2159419. The next prime is 2159449. The reversal of 2159429 is 9249512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2159429 - 2¹² = 2155333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2159395 and 2159404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422 + ... + 2120.

It is an arithmetic number, because the mean of its divisors is an integer number (285600).

2^2159429 is an apocalyptic number.

It is an amenable number.

2159429 is a deficient number, since it is larger than the sum of its proper divisors (125371).

2159429 is a wasteful number, since it uses less digits than its factorization.

2159429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771.

The product of its digits is 6480, while the sum is 32.

The square root of 2159429 is about 1469.4995746852. The cubic root of 2159429 is about 129.2546898221.

The spelling of 2159429 in words is "two million, one hundred fifty-nine thousand, four hundred twenty-nine".